Michael Howard created TEZ-2243:
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             Summary: documentation should explicitly specify protobuf 2.5.0
                 Key: TEZ-2243
                 URL: https://issues.apache.org/jira/browse/TEZ-2243
             Project: Apache Tez
          Issue Type: Task
    Affects Versions: 0.6.0
            Reporter: Michael Howard
            Priority: Minor


Install guide doc at 
http://tez.apache.org/install.html 
says:

> ... Protocol Buffers (protoc compiler) 2.5 or later

In fact, protobuf 2.5.0 is required. 

On a Mac, both the libraries and the protobuf-compiler can be installed with:

$ brew install protobuf250

The yum repos on my CentOS system included epel & epel-testing. 
Nevertheless, they were only at protobuf 2.3.0

I used rpm.pbone.net and found the following:
protobuf-2.5.0-16.1.x86_64.rpm
protobuf-compiler-2.5.0-16.1.x86_64.rpm

at

http://rpm.pbone.net/index.php3/stat/4/idpl/23552166/dir/centos_6/com/protobuf-2.5.0-16.1.x86_64.rpm.html
http://rpm.pbone.net/index.php3/stat/4/idpl/23552097/dir/centos_6/com/protobuf-compiler-2.5.0-16.1.i686.rpm.html

Hitesh Shah wrote:
> Pretty much all of the Hadoop ecosystem components have standardized on 
> protobuf-2.5.0. 

Hitesh Shah wrote:
> Could you file a jira and submit a patch for this issue 

Sorry, I don't know how to submit a patch. 




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